JP3621710B2 - 動的適応性等化器システム及び方法 - Google Patents
動的適応性等化器システム及び方法 Download PDFInfo
- Publication number
- JP3621710B2 JP3621710B2 JP19860093A JP19860093A JP3621710B2 JP 3621710 B2 JP3621710 B2 JP 3621710B2 JP 19860093 A JP19860093 A JP 19860093A JP 19860093 A JP19860093 A JP 19860093A JP 3621710 B2 JP3621710 B2 JP 3621710B2
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- input
- circuit
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- data
- taps
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- 230000003044 adaptive effect Effects 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 8
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- 230000004044 response Effects 0.000 claims description 9
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- 238000012163 sequencing technique Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- NAPPWIFDUAHTRY-XYDRQXHOSA-N (8r,9s,10r,13s,14s,17r)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one;(8r,9s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 NAPPWIFDUAHTRY-XYDRQXHOSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 238000009825 accumulation Methods 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/926,669 US5416799A (en) | 1992-08-10 | 1992-08-10 | Dynamically adaptive equalizer system and method |
US926669 | 1992-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06188686A JPH06188686A (ja) | 1994-07-08 |
JP3621710B2 true JP3621710B2 (ja) | 2005-02-16 |
Family
ID=25453537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19860093A Expired - Fee Related JP3621710B2 (ja) | 1992-08-10 | 1993-08-10 | 動的適応性等化器システム及び方法 |
Country Status (5)
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3102221B2 (ja) * | 1993-09-10 | 2000-10-23 | 三菱電機株式会社 | 適応等化器および適応ダイバーシチ等化器 |
US5648987A (en) * | 1994-03-24 | 1997-07-15 | Samsung Electronics Co., Ltd. | Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers |
US6233274B1 (en) | 1995-04-27 | 2001-05-15 | Wavetek Wandel Goltermann | Non-invasive digital cable test system |
US5751766A (en) | 1995-04-27 | 1998-05-12 | Applied Signal Technology, Inc. | Non-invasive digital communications test system |
US5907497A (en) * | 1995-12-28 | 1999-05-25 | Lucent Technologies Inc. | Update block for an adaptive equalizer filter configuration |
US5805481A (en) * | 1995-12-28 | 1998-09-08 | Lucent Technologies, Inc. | Update block for an adaptive equalizer filter configuration capable of processing complex-valued coefficient signals |
GB9601488D0 (en) * | 1996-01-25 | 1996-03-27 | Rca Thomson Licensing Corp | Time reversal filter |
US5901175A (en) * | 1996-04-08 | 1999-05-04 | Samsung Electronics Co., Ltd. | Dynamically adaptive equalizer system and method |
US5694423A (en) * | 1996-08-06 | 1997-12-02 | Lucent Technologies Inc. | Method and apparatus for detecting and correcting misconvergence of a blind equalizer |
US5999567A (en) * | 1996-10-31 | 1999-12-07 | Motorola, Inc. | Method for recovering a source signal from a composite signal and apparatus therefor |
US6084907A (en) * | 1996-12-09 | 2000-07-04 | Matsushita Electric Industrial Co., Ltd. | Adaptive auto equalizer |
US6430287B1 (en) | 1997-03-25 | 2002-08-06 | Level One Communications, Inc. | Combined parallel adaptive equalizer/echo canceller |
US6009448A (en) * | 1997-08-18 | 1999-12-28 | Industrial Technology Research Institute | Pipelined parallel-serial architecture for a modified least mean square adaptive filter |
KR100519284B1 (ko) * | 1998-01-14 | 2005-11-25 | 엘지전자 주식회사 | 디지탈 티브이의 읽고 쓰기 가능한 필터 |
US6563868B1 (en) * | 1998-07-17 | 2003-05-13 | General Instruments Corporation | Method and apparatus for adaptive equalization in the presence of large multipath echoes |
US6477200B1 (en) * | 1998-11-09 | 2002-11-05 | Broadcom Corporation | Multi-pair gigabit ethernet transceiver |
US6438156B1 (en) | 1999-02-11 | 2002-08-20 | Adtran, Inc. | Stepwise adaptive finite impulse response filter for spread spectrum radio |
US7023912B2 (en) * | 2002-08-19 | 2006-04-04 | Mitsubishi Electric Research Laboratories, Inc. | Hybrid adaptive equalizer for optical communications systems |
US7099822B2 (en) * | 2002-12-10 | 2006-08-29 | Liberato Technologies, Inc. | System and method for noise reduction having first and second adaptive filters responsive to a stored vector |
US7162420B2 (en) * | 2002-12-10 | 2007-01-09 | Liberato Technologies, Llc | System and method for noise reduction having first and second adaptive filters |
US8620980B1 (en) | 2005-09-27 | 2013-12-31 | Altera Corporation | Programmable device with specialized multiplier blocks |
US8266199B2 (en) * | 2006-02-09 | 2012-09-11 | Altera Corporation | Specialized processing block for programmable logic device |
US8650236B1 (en) | 2009-08-04 | 2014-02-11 | Altera Corporation | High-rate interpolation or decimation filter in integrated circuit device |
US8601044B2 (en) | 2010-03-02 | 2013-12-03 | Altera Corporation | Discrete Fourier Transform in an integrated circuit device |
US9571182B2 (en) | 2010-07-29 | 2017-02-14 | Entropic Communications, Llc | Systems and methods for cancellation of cross-coupled noise |
EP2599252A4 (en) * | 2010-07-29 | 2016-09-28 | Entropic Communications Inc | METHOD AND APPARATUS FOR ORTHOGONAL POLARIZATION AND CANCELLATION OF INTERFERENCE BETWEEN SATELLITES |
US8645451B2 (en) | 2011-03-10 | 2014-02-04 | Altera Corporation | Double-clocked specialized processing block in an integrated circuit device |
KR102058437B1 (ko) | 2013-02-25 | 2019-12-26 | 삼성전자주식회사 | 필터 값 추출기를 포함하는 터치 감지 장치 및 필터 값 추출기 |
US9509396B2 (en) | 2014-11-04 | 2016-11-29 | Entropic Communications, Llc | Systems and methods for shared analog-to-digital conversion in a communication system |
US9510223B2 (en) | 2014-11-04 | 2016-11-29 | Entropic Communications, LLC. | Systems and methods for frequency error correction in communication systems |
US9231609B1 (en) | 2014-11-04 | 2016-01-05 | Entropic Communications, LLC. | Systems and methods for frequency generation |
CN108336984B (zh) * | 2017-01-19 | 2021-09-03 | 联发科技股份有限公司 | 一种凹口滤波器及相关的滤波电路 |
US12362970B2 (en) * | 2023-03-28 | 2025-07-15 | Parade Technologies, Ltd. | Adaptive preset-based feed-forward equalization |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3543012A (en) * | 1968-07-10 | 1970-11-24 | Us Navy | Universal digital filter and function generator |
US3696235A (en) * | 1970-06-22 | 1972-10-03 | Sanders Associates Inc | Digital filter using weighting |
JPS55117322A (en) * | 1979-03-02 | 1980-09-09 | Fujitsu Ltd | Binary transversal filter |
US4524424A (en) * | 1982-02-18 | 1985-06-18 | Rockwell International Corporation | Adaptive spectrum shaping filter |
US4550415A (en) * | 1983-11-16 | 1985-10-29 | At&T Bell Laboratories | Fractionally spaced equalization using nyquist-rate coefficient updating |
US4694413A (en) * | 1984-07-19 | 1987-09-15 | Rca Corporation | Compact-structure input-weighted multitap digital filters |
JPS6165616A (ja) * | 1984-09-07 | 1986-04-04 | Nippon Hoso Kyokai <Nhk> | 対称形firディジタルフィルタ |
US4853969A (en) * | 1987-01-13 | 1989-08-01 | Recognition Equipment Incorporated | Quantized digital filter |
JPS63205778A (ja) * | 1987-02-20 | 1988-08-25 | Sumitomo Electric Ind Ltd | ビデオ信号デイジタル化回路 |
SE461308B (sv) * | 1988-06-03 | 1990-01-29 | Ericsson Telefon Ab L M | Adaptivt digitalt filter omfattande en icke rekursiv del och en rekursiv del |
US5119401A (en) * | 1989-11-17 | 1992-06-02 | Nec Corporation | Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response |
US5224123A (en) * | 1990-03-19 | 1993-06-29 | Kabushiki Kaisha Toshiba | Transversal equalizer |
US5243624A (en) * | 1991-07-26 | 1993-09-07 | General Instrument Corporation | Method and apparatus for updating coefficients in a complex adaptive equalizer |
-
1992
- 1992-08-10 US US07/926,669 patent/US5416799A/en not_active Expired - Lifetime
-
1993
- 1993-08-06 TW TW082106303A patent/TW275674B/zh active
- 1993-08-09 DE DE69323813T patent/DE69323813D1/de not_active Expired - Lifetime
- 1993-08-09 EP EP93306278A patent/EP0583927B1/en not_active Expired - Lifetime
- 1993-08-10 JP JP19860093A patent/JP3621710B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0583927A1 (en) | 1994-02-23 |
US5416799A (en) | 1995-05-16 |
JPH06188686A (ja) | 1994-07-08 |
EP0583927B1 (en) | 1999-03-10 |
DE69323813D1 (de) | 1999-04-15 |
TW275674B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1996-05-11 |
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